C++程序设讠 H void CMy Wnd: OnPainto CPaintdc dc(this) CBrush brushNew CPen penNey brushNew. Create Solid Brush(rGB(rando%0255, rando%25 5, rand(90255) penNe. CreatePen(PS SOLID, 1, RGB(255,0,0)) dc Selectobject(&brushNew) dc Selectobject( &penNew)C++程序设计 } void CMyWnd::OnPaint() { CPaintDC dc(this); CBrush brushNew; CPen penNew; brushNew.CreateSolidBrush(RGB(rand()%255,rand()%25 5,rand()%255)); penNew.CreatePen(PS_SOLID,1,RGB(255,0,0)); dc.SelectObject(&brushNew); dc.SelectObject(&penNew);